Chain gearing and spacing mechanism.



P.. DARCY. l CHAIN GBAEING AND SPAUING vMECHANISM.

,i Patented Dec. 6,1910.

APPLICATION FILED MAB. 3, 1908.

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P. DARGY.

CHAIN GEARING AND SPAGING MEGHANISM. APPLIGATION FILED MAR. s, 190s.

Patented Dec. 6, 1910.

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ATTORNEK Y P. LAMY. CHAIN GBARING AND SPAGING MEGHANISM. APPLICATIONFILED MACE. 3, 19,081

Patented-*Dea 6, 1910. Mm

k FREDERICK DARCY, OF PHILADELPHIA, PENNSYLVANIA.

CHAIN GEARING .AND SPACING MECHANISM.

Specification of Letters Patent.

Patented Dec. 6, 1910.

Application filed March 3, 1908. Serial No. 419,054.

To all whom t may concern:

Be it known that I, FREDERICK DARGY, a citizen of the United States,residing at Philadelphia, in the State of Pennsylvania, have invented anew and useful Chain Gearing and Spacing Mechanism.

My invention relates to that class of gearing and spacing mechanism, bymeans of which vehicles may be propelled along a curvilinear andstraight path of travel crossing itself at intervals. One object of myinvention is to provide a direct means of propelling vehicles andvehicle carriers over a straight and curvilinear path of travel crossingitself at intervals by means of chains engaging with each other andhaving recesses which receive vehicle carrying rods.

Another object is to provide means by which a constant distance may bemaintained between a plurality of vehicles having a common straight andcurvilinear path of travel crossing itself at intervals.

I attain these objects byvmechanism illustrated in the accompanyingdrawings; in which Figure l is a top view of my invention as applied toa merry-go-round, showing machine with parts of platform and mechanismcut away. Fig. 2 is a longitudinal vertical section of Fig. l, about theline A-A, with parts cut away. Figs. 3, 4L and 5 are enlarged detailviews of my invention. Fig. 6. is a modification of my inventionas itmay be used in connection with a recessed toothed wheel. Fig. 7. is atop plan view showing parts of platform and path of travel of vehicleswhen4 my invention is used in connection with a recessed toothed wheel.Fig. 8. is a detail view of part of the vehicle carrying rods, guideway, etc. Fig. 9. is a top view of crossing guide ways, vehicle-carryingrod, guide bar and tracks at and near their crossing point.

Referring to the drawings in which the same reference characters referto the same or corresponding parts in all of the views, a and c aresocket castings which are bolted to a solid foundation. FiXedly mountedin a and a are shafts or axles b and b. Rotatably mounted on the shaftsZ9 and o and having bearings on the castings a and a are wheels o andCZ. c and Z have fiat rims and to these rims are screwed flanges c ando2, d and CZ2. Clamped to the shaft ZJ is a framework e, upon which isxedly mounted a continuation of the inner platform c. e is mounted on aframework e2. e2 is mounted on posts e3 which are lixedly mounted in thefoundation.

f is an outer platform which is mounted on timbers f, f2 'and f3. and f2are mounted on posts f4 and f5. f3 are bolted to j" and f2.

g is a rail upon which are mounted double flanged wheels Zz. /L arerotatably mounted in forks ZL. Vehicle carrying rods are fixedly mountediii-forks Zz and rotatably mounted and connected in pairs by a castingh3. h3 has a bearing on 72,. Fixedly mounted on Zzg are crossing guidebars if.

/L5 are rollers, which are supported and have bearings on a collar ZLG.The collar 72, is fiXedly mounted on h2.

z' is an endless chain having roller bearings z" and at intervalsrecessed links 2.

Za is an endless chain having substantially U shaped toothed links andat intervals recessed links 7c.

Z, Z, Z2, and Z3 are crossing guide way casings. e5 is bolted to theframework e2. The space between e5 and f3 forms a channel or guide wayfor the rollers 72.5. e4 is bolted to e5 and supports the chains (Z2,Zc). 2 and 7c are concave at their bases to conform Ato the conveXity ofthe peripheries of the rims of c and CZ.

Fixedly mounted on the wheel Z is a gear wheel m, which is operativelyconnected with a pulley a. The driving chain z' is mounted around thewheel CZ between the flanges Z and Z2 and around a similar wheel notshown on the drawings. Between these wheels z' is supported by et. z'engages with and drives the chain Z2. 7c is mounted similarly to z'around the wheel o and around a wheel not shown on the drawings. Theconcave portions of i2 and Za receive the vehicle carrying rods h2. Therail g is so positioned that the vehicle carrying rods h2 will engage attheir pitch line with the recessed links 2 and Zc, except at and nearthe crossing point of the rails g, where the vehicle carrying rods arewithin the pitch line of the recessed links. The crossing guide bars Zatare so positioned as to pass through the guide ways formed by crossingguide way castings Z, Z, ZL and Z8.

Power being applied to the pulley a, the wheel Z) is revolved andcarries with it the chain c' which propels the chain Zo and the wheel c.The vehicle carrying rods ZL2 being propelled by the chain z', uponreaching the engagement point of the chains z' and 70 pass from a recess2 to a recess 7c and vice versa, and are carried by both chains aroundWheels similar in construction to 0 and Z and back to the point ofstartino. lVhile I show the chain z' as a driving chain, and c as adriven chain, it is obvious that may be the driving and z' the drivenchain.

In Fig. 6, I show a chain z' as it may be used in connection with arecessed gear Wheel h2. This recessed gear Wheel I do not claim as myinvention, it being the invention of Hermann Hill, and fully shown inhis Patent No. 879,872, issued February 25, 1908.

While I have shown my invention propelled by gear Wheels from a sourceof power outside of the machine, it is obvious that it may bc propelledby motors mounted on one or more of the trucks.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent is:

l. In a chain gearing and spacing mechanism, a driving chain and adriven chain constantly engaged and vehicle carrying rods, both chainshaving recesses receiving` the rods 2. In a chain gearing and spacingmechanism, endless chains operatively engaging With'each other andvehicle carrying rods, the chains having recesses receiving the rods.

3. In a chain gearing and spacing mechanism, an endless chain, a toothedWheel and.

vehicle carrying rods, the chain and Wheel being so constructed andmounted as to operatively engage with each other and having recessesreceiving the rods.

l. In a chain gearing and spacing mechanism, a chain having toothedlinks, a chain adapted to engage with the teeth of said toothed linksand vehicle carrying rods, both of said chains having recesses receivingthe rods.

FRED. DARCY. 1

Vitnesses z E. IV. NICHOLSON, HARRY BRooiis.

